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High-field NMR spectroscopy of cystocarpic and tetrasporic carrageenans from Iridaea undulosa

✍ Scribed by Carlos A. Stortz; Bradley E. Bacon; Robert Cherniak; Alberto S. Cerezo

Publisher: Elsevier Science
Year: 1994
Tongue: English
Weight: 561 KB
Volume: 261
Category: Article
ISSN: 0008-6215
DOI: 10.1016/0008-6215(94)84027-x

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✦ Synopsis

High-field 'H and 13C NMR spectroscopy has been used to characterize the fine structure of the cystocarpic and tetrasporic carrageenans from Zridaeu undukxu. The proportion of different carrageenans from the K-family in cystocarpic samples were calculated. In the 13C NMR spectra of the tetrasporic samples, twelve signals of approximately equal intensity were observed, indicating a nearly "perfect" A-structure.

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